Fujitsu Mini-Split Error Code 29: How to Fix It

Q: Can I reset error code 29 on my own?

Yes, after fixing the underlying issue, turn off the system at the breaker for 10 minutes, then turn it back on. If the problem is resolved, the error will clear.

Q: What causes discharge gas temperature to be high?

Common causes include dirty outdoor coils, blocked airflow, low refrigerant charge, or a faulty discharge temperature sensor.

Q: Is it safe to run my mini-split with error 29?

No. Running the system with high discharge temperature can damage the compressor. Turn off the unit immediately and troubleshoot.

Q: How much does professional repair cost for error 29?

Costs vary, but typically range from $150 to $500 depending on the cause (e.g., cleaning, sensor replacement, or refrigerant recharge).

Q: Can a dirty air filter cause error 29?

Yes, a dirty indoor filter reduces airflow, causing the system to overheat and trigger error 29. Always check and clean filters first.

Abstract

Error code 29 on your Fujitsu mini-split means the outdoor unit's discharge gas temperature is too high. This usually indicates a problem with airflow, refrigerant charge, or a faulty sensor. Follow these steps to troubleshoot and fix the issue.